YouGov conducted a poll to find out which countries Americans perceive as their nation's biggest enemies. North Korea has continued to make headlines even after that missile launch with news emerging earlier this week that Kim-Jong-un's half brother was allegedly poisoned in an airport in Malaysia. Both incidents have illustrated the unpredictability of the nuclear-armed regime in Pyongyang and it comes as little surprise that 57 percent of Americans consider North Korea their enemy.

Some of the entries on the upper portion of the infographic below are surprising. Iraq and Afghanistan were considered U.S. enemies by 29 and 23 percent of respondents respectively, despite their governments being key U.S. allies in the fight against Islamic extremism. Iran was labelled an enemy by 41 percent of Americans, even though a deal was signed last year to prevent Tehran developing nuclear weapons.

This chart shows the percentage of American adults considering these countries an enemy of the U.S.